/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.use.separate.solver.for.trace.checks true -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec3_product26.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.2.0-b8ad66e [2020-10-23 23:58:36,126 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-23 23:58:36,130 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-23 23:58:36,181 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-23 23:58:36,182 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-23 23:58:36,183 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-23 23:58:36,185 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-23 23:58:36,187 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-23 23:58:36,189 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-23 23:58:36,190 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-23 23:58:36,192 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-23 23:58:36,193 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-23 23:58:36,193 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-23 23:58:36,195 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-23 23:58:36,196 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-23 23:58:36,197 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-23 23:58:36,198 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-23 23:58:36,199 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-23 23:58:36,201 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-23 23:58:36,206 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-23 23:58:36,208 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-23 23:58:36,209 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-23 23:58:36,211 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-23 23:58:36,212 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-23 23:58:36,215 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-23 23:58:36,216 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-23 23:58:36,216 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-23 23:58:36,233 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-23 23:58:36,234 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-23 23:58:36,235 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-23 23:58:36,235 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-23 23:58:36,236 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-23 23:58:36,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-23 23:58:36,238 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-23 23:58:36,239 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-23 23:58:36,239 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-23 23:58:36,240 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-23 23:58:36,240 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-23 23:58:36,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-23 23:58:36,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-23 23:58:36,242 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-23 23:58:36,244 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-10-23 23:58:36,256 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-23 23:58:36,256 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-23 23:58:36,258 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-23 23:58:36,258 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-23 23:58:36,258 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-23 23:58:36,259 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-23 23:58:36,259 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-23 23:58:36,259 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-23 23:58:36,260 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-23 23:58:36,260 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-23 23:58:36,260 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-23 23:58:36,260 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-23 23:58:36,261 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-23 23:58:36,261 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-23 23:58:36,261 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-23 23:58:36,261 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-10-23 23:58:36,262 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-23 23:58:36,262 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-23 23:58:36,262 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 23:58:36,262 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-23 23:58:36,263 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-10-23 23:58:36,263 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-23 23:58:36,263 INFO L138 SettingsManager]: * Use separate solver for trace checks=false WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use separate solver for trace checks -> true [2020-10-23 23:58:36,649 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-23 23:58:36,684 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-23 23:58:36,689 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-23 23:58:36,690 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-23 23:58:36,691 INFO L275 PluginConnector]: CDTParser initialized [2020-10-23 23:58:36,692 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec3_product26.cil.c [2020-10-23 23:58:36,769 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5729d59e/5ef86f75cc324916bd2f3042413af003/FLAGdaa4c6b73 [2020-10-23 23:58:37,396 INFO L306 CDTParser]: Found 1 translation units. [2020-10-23 23:58:37,397 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec3_product26.cil.c [2020-10-23 23:58:37,413 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5729d59e/5ef86f75cc324916bd2f3042413af003/FLAGdaa4c6b73 [2020-10-23 23:58:37,715 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c5729d59e/5ef86f75cc324916bd2f3042413af003 [2020-10-23 23:58:37,720 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-23 23:58:37,727 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-23 23:58:37,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-23 23:58:37,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-23 23:58:37,734 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-23 23:58:37,735 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:58:37" (1/1) ... [2020-10-23 23:58:37,739 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52cebbe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:58:37, skipping insertion in model container [2020-10-23 23:58:37,739 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.10 11:58:37" (1/1) ... [2020-10-23 23:58:37,748 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-23 23:58:37,819 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-23 23:58:38,292 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 23:58:38,313 INFO L203 MainTranslator]: Completed pre-run [2020-10-23 23:58:38,383 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-23 23:58:38,429 INFO L208 MainTranslator]: Completed translation [2020-10-23 23:58:38,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:58:38 WrapperNode [2020-10-23 23:58:38,430 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-23 23:58:38,431 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-23 23:58:38,431 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-23 23:58:38,431 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-23 23:58:38,444 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:58:38" (1/1) ... [2020-10-23 23:58:38,444 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:58:38" (1/1) ... [2020-10-23 23:58:38,484 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:58:38" (1/1) ... [2020-10-23 23:58:38,484 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:58:38" (1/1) ... [2020-10-23 23:58:38,515 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:58:38" (1/1) ... [2020-10-23 23:58:38,525 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:58:38" (1/1) ... [2020-10-23 23:58:38,530 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:58:38" (1/1) ... [2020-10-23 23:58:38,537 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-23 23:58:38,538 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-23 23:58:38,538 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-23 23:58:38,539 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-23 23:58:38,539 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:58:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-23 23:58:38,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-23 23:58:38,656 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-23 23:58:38,657 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-10-23 23:58:38,657 INFO L138 BoogieDeclarations]: Found implementation of procedure reach_error [2020-10-23 23:58:38,657 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-10-23 23:58:38,657 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-10-23 23:58:38,657 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-10-23 23:58:38,657 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-10-23 23:58:38,658 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-23 23:58:38,658 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-10-23 23:58:38,658 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-10-23 23:58:38,658 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-10-23 23:58:38,658 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-10-23 23:58:38,658 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-10-23 23:58:38,659 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-10-23 23:58:38,659 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-10-23 23:58:38,659 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-10-23 23:58:38,659 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-10-23 23:58:38,659 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-10-23 23:58:38,659 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-10-23 23:58:38,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-10-23 23:58:38,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-10-23 23:58:38,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-10-23 23:58:38,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-10-23 23:58:38,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-10-23 23:58:38,660 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-10-23 23:58:38,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-10-23 23:58:38,661 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-10-23 23:58:38,661 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-10-23 23:58:38,661 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-10-23 23:58:38,661 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-10-23 23:58:38,661 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-10-23 23:58:38,662 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-10-23 23:58:38,662 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-10-23 23:58:38,662 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-10-23 23:58:38,662 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-10-23 23:58:38,662 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-10-23 23:58:38,662 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-10-23 23:58:38,662 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-10-23 23:58:38,663 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification3_spec__1 [2020-10-23 23:58:38,663 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-23 23:58:38,663 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-10-23 23:58:38,663 INFO L130 BoogieDeclarations]: Found specification of procedure reach_error [2020-10-23 23:58:38,663 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-23 23:58:38,663 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-23 23:58:38,664 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-10-23 23:58:38,664 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-10-23 23:58:38,664 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-10-23 23:58:38,664 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-10-23 23:58:38,664 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-10-23 23:58:38,664 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-10-23 23:58:38,664 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-10-23 23:58:38,664 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-10-23 23:58:38,665 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-10-23 23:58:38,665 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-10-23 23:58:38,665 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-10-23 23:58:38,665 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-10-23 23:58:38,665 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-10-23 23:58:38,665 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-23 23:58:38,665 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-10-23 23:58:38,666 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-10-23 23:58:38,666 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-10-23 23:58:38,666 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-10-23 23:58:38,666 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-10-23 23:58:38,666 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-10-23 23:58:38,666 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-23 23:58:38,666 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-23 23:58:38,666 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-10-23 23:58:38,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-23 23:58:38,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-23 23:58:38,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-23 23:58:38,667 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-23 23:58:38,667 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-10-23 23:58:38,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-23 23:58:38,667 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-10-23 23:58:38,668 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-10-23 23:58:38,668 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-23 23:58:38,668 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-10-23 23:58:38,668 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-10-23 23:58:38,668 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-10-23 23:58:38,668 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-10-23 23:58:38,668 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-10-23 23:58:38,669 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-10-23 23:58:38,669 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-10-23 23:58:38,669 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-10-23 23:58:38,669 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification3_spec__1 [2020-10-23 23:58:38,669 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-10-23 23:58:38,669 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-10-23 23:58:38,669 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-10-23 23:58:38,670 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-10-23 23:58:38,670 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-10-23 23:58:38,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-23 23:58:38,670 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-23 23:58:38,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-23 23:58:39,763 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-23 23:58:39,764 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-23 23:58:39,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 11:58:39 BoogieIcfgContainer [2020-10-23 23:58:39,767 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-23 23:58:39,769 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-23 23:58:39,769 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-23 23:58:39,772 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-23 23:58:39,772 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.10 11:58:37" (1/3) ... [2020-10-23 23:58:39,773 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c01e2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 11:58:39, skipping insertion in model container [2020-10-23 23:58:39,773 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.10 11:58:38" (2/3) ... [2020-10-23 23:58:39,774 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c01e2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.10 11:58:39, skipping insertion in model container [2020-10-23 23:58:39,774 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.10 11:58:39" (3/3) ... [2020-10-23 23:58:39,775 INFO L111 eAbstractionObserver]: Analyzing ICFG minepump_spec3_product26.cil.c [2020-10-23 23:58:39,786 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-23 23:58:39,792 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2020-10-23 23:58:39,805 INFO L253 AbstractCegarLoop]: Starting to check reachability of 5 error locations. [2020-10-23 23:58:39,828 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-23 23:58:39,828 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-23 23:58:39,829 INFO L379 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-23 23:58:39,829 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-23 23:58:39,829 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-23 23:58:39,829 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-23 23:58:39,829 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-23 23:58:39,829 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-23 23:58:39,851 INFO L276 IsEmpty]: Start isEmpty. Operand 315 states. [2020-10-23 23:58:39,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2020-10-23 23:58:39,873 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:58:39,874 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 23:58:39,874 INFO L429 AbstractCegarLoop]: === Iteration 1 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:58:39,880 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:58:39,881 INFO L82 PathProgramCache]: Analyzing trace with hash 1334260818, now seen corresponding path program 1 times [2020-10-23 23:58:39,889 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:58:39,890 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1021921729] [2020-10-23 23:58:39,890 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:58:40,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:40,710 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:58:40,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:58:40,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:40,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:58:40,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:40,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:58:40,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:40,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:58:40,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:40,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:58:40,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:40,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-10-23 23:58:40,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:40,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-23 23:58:40,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:40,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-23 23:58:40,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:40,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 23:58:40,925 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1021921729] [2020-10-23 23:58:40,927 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:58:40,927 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-23 23:58:40,928 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859875268] [2020-10-23 23:58:40,933 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-10-23 23:58:40,934 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:58:40,947 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-23 23:58:40,948 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-23 23:58:40,950 INFO L87 Difference]: Start difference. First operand 315 states. Second operand 3 states. [2020-10-23 23:58:42,476 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:58:42,476 INFO L93 Difference]: Finished difference Result 454 states and 538 transitions. [2020-10-23 23:58:42,477 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-23 23:58:42,478 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 159 [2020-10-23 23:58:42,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:58:42,495 INFO L225 Difference]: With dead ends: 454 [2020-10-23 23:58:42,495 INFO L226 Difference]: Without dead ends: 285 [2020-10-23 23:58:42,500 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-23 23:58:42,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2020-10-23 23:58:42,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 245. [2020-10-23 23:58:42,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 245 states. [2020-10-23 23:58:42,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 263 transitions. [2020-10-23 23:58:42,655 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 263 transitions. Word has length 159 [2020-10-23 23:58:42,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:58:42,656 INFO L481 AbstractCegarLoop]: Abstraction has 245 states and 263 transitions. [2020-10-23 23:58:42,656 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-10-23 23:58:42,657 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 263 transitions. [2020-10-23 23:58:42,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-10-23 23:58:42,661 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:58:42,662 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 23:58:42,662 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-23 23:58:42,662 INFO L429 AbstractCegarLoop]: === Iteration 2 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:58:42,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:58:42,663 INFO L82 PathProgramCache]: Analyzing trace with hash 1144962823, now seen corresponding path program 1 times [2020-10-23 23:58:42,663 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:58:42,664 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1407780261] [2020-10-23 23:58:42,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:58:42,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:43,207 WARN L193 SmtUtils]: Spent 369.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:58:43,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:58:43,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:43,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:58:43,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:43,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:58:43,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:43,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:58:43,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:43,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:58:43,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:43,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 127 [2020-10-23 23:58:43,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:43,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2020-10-23 23:58:43,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:43,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 147 [2020-10-23 23:58:43,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:43,294 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 23:58:43,295 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1407780261] [2020-10-23 23:58:43,295 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:58:43,295 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-10-23 23:58:43,296 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1647497177] [2020-10-23 23:58:43,297 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-10-23 23:58:43,297 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:58:43,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-10-23 23:58:43,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-10-23 23:58:43,298 INFO L87 Difference]: Start difference. First operand 245 states and 263 transitions. Second operand 4 states. [2020-10-23 23:58:44,083 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification that was a NOOP. DAG size: 205 [2020-10-23 23:58:45,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:58:45,077 INFO L93 Difference]: Finished difference Result 364 states and 405 transitions. [2020-10-23 23:58:45,078 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-10-23 23:58:45,078 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2020-10-23 23:58:45,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:58:45,082 INFO L225 Difference]: With dead ends: 364 [2020-10-23 23:58:45,082 INFO L226 Difference]: Without dead ends: 268 [2020-10-23 23:58:45,084 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-10-23 23:58:45,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2020-10-23 23:58:45,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 235. [2020-10-23 23:58:45,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2020-10-23 23:58:45,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 250 transitions. [2020-10-23 23:58:45,213 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 250 transitions. Word has length 160 [2020-10-23 23:58:45,214 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:58:45,214 INFO L481 AbstractCegarLoop]: Abstraction has 235 states and 250 transitions. [2020-10-23 23:58:45,214 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-10-23 23:58:45,215 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 250 transitions. [2020-10-23 23:58:45,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-10-23 23:58:45,218 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:58:45,218 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 23:58:45,218 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-23 23:58:45,219 INFO L429 AbstractCegarLoop]: === Iteration 3 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:58:45,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:58:45,219 INFO L82 PathProgramCache]: Analyzing trace with hash -835121941, now seen corresponding path program 1 times [2020-10-23 23:58:45,220 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:58:45,220 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1261452714] [2020-10-23 23:58:45,220 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:58:45,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:45,676 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:58:45,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:58:45,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:45,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:58:45,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:45,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:58:45,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:45,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:58:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:45,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:58:45,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:45,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-23 23:58:45,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:45,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-23 23:58:45,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:45,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 150 [2020-10-23 23:58:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:45,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 160 [2020-10-23 23:58:45,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:45,873 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 23:58:45,875 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1261452714] [2020-10-23 23:58:45,875 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:58:45,875 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-23 23:58:45,876 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [102599628] [2020-10-23 23:58:45,876 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 23:58:45,877 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:58:45,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 23:58:45,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-23 23:58:45,878 INFO L87 Difference]: Start difference. First operand 235 states and 250 transitions. Second operand 10 states. [2020-10-23 23:58:46,505 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 23:58:47,003 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 207 [2020-10-23 23:58:47,404 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification that was a NOOP. DAG size: 210 [2020-10-23 23:58:47,785 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:58:48,174 WARN L193 SmtUtils]: Spent 353.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:58:48,545 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:58:50,194 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:58:50,195 INFO L93 Difference]: Finished difference Result 410 states and 467 transitions. [2020-10-23 23:58:50,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-23 23:58:50,198 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 173 [2020-10-23 23:58:50,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:58:50,201 INFO L225 Difference]: With dead ends: 410 [2020-10-23 23:58:50,201 INFO L226 Difference]: Without dead ends: 290 [2020-10-23 23:58:50,203 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-10-23 23:58:50,204 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 290 states. [2020-10-23 23:58:50,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 290 to 235. [2020-10-23 23:58:50,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2020-10-23 23:58:50,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 249 transitions. [2020-10-23 23:58:50,289 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 249 transitions. Word has length 173 [2020-10-23 23:58:50,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:58:50,290 INFO L481 AbstractCegarLoop]: Abstraction has 235 states and 249 transitions. [2020-10-23 23:58:50,290 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 23:58:50,290 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 249 transitions. [2020-10-23 23:58:50,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2020-10-23 23:58:50,293 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:58:50,293 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 23:58:50,293 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-23 23:58:50,293 INFO L429 AbstractCegarLoop]: === Iteration 4 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:58:50,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:58:50,294 INFO L82 PathProgramCache]: Analyzing trace with hash -1145126178, now seen corresponding path program 1 times [2020-10-23 23:58:50,294 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:58:50,295 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [828118316] [2020-10-23 23:58:50,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:58:50,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:50,716 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:58:50,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:58:50,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:50,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:58:50,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:50,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:58:50,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:50,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:58:50,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:50,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:58:50,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:50,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-10-23 23:58:50,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:50,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-10-23 23:58:50,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:50,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:58:50,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:50,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-10-23 23:58:50,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:50,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-23 23:58:50,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:50,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-23 23:58:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:50,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 23:58:50,937 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [828118316] [2020-10-23 23:58:50,937 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:58:50,938 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-23 23:58:50,938 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091166885] [2020-10-23 23:58:50,942 INFO L461 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-23 23:58:50,942 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:58:50,943 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-23 23:58:50,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-10-23 23:58:50,943 INFO L87 Difference]: Start difference. First operand 235 states and 249 transitions. Second operand 10 states. [2020-10-23 23:58:51,644 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 23:58:53,599 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:58:54,058 WARN L193 SmtUtils]: Spent 362.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:58:54,511 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:58:54,951 WARN L193 SmtUtils]: Spent 337.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 23:58:55,350 WARN L193 SmtUtils]: Spent 348.00 ms on a formula simplification that was a NOOP. DAG size: 208 [2020-10-23 23:58:55,777 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:58:56,144 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification that was a NOOP. DAG size: 206 [2020-10-23 23:58:57,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:58:57,345 INFO L93 Difference]: Finished difference Result 632 states and 774 transitions. [2020-10-23 23:58:57,347 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-10-23 23:58:57,347 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 181 [2020-10-23 23:58:57,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:58:57,353 INFO L225 Difference]: With dead ends: 632 [2020-10-23 23:58:57,353 INFO L226 Difference]: Without dead ends: 512 [2020-10-23 23:58:57,356 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 3.3s TimeCoverageRelationStatistics Valid=134, Invalid=328, Unknown=0, NotChecked=0, Total=462 [2020-10-23 23:58:57,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2020-10-23 23:58:57,522 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 346. [2020-10-23 23:58:57,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 346 states. [2020-10-23 23:58:57,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 346 states and 377 transitions. [2020-10-23 23:58:57,525 INFO L78 Accepts]: Start accepts. Automaton has 346 states and 377 transitions. Word has length 181 [2020-10-23 23:58:57,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:58:57,525 INFO L481 AbstractCegarLoop]: Abstraction has 346 states and 377 transitions. [2020-10-23 23:58:57,526 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-23 23:58:57,526 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 377 transitions. [2020-10-23 23:58:57,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2020-10-23 23:58:57,529 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:58:57,529 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 23:58:57,529 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-23 23:58:57,529 INFO L429 AbstractCegarLoop]: === Iteration 5 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:58:57,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:58:57,530 INFO L82 PathProgramCache]: Analyzing trace with hash 659202534, now seen corresponding path program 1 times [2020-10-23 23:58:57,530 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:58:57,531 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [447966746] [2020-10-23 23:58:57,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:58:57,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:57,890 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 202 [2020-10-23 23:58:57,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-23 23:58:57,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:57,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-10-23 23:58:57,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:57,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-10-23 23:58:57,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:57,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-10-23 23:58:57,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:57,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-10-23 23:58:57,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:57,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-10-23 23:58:57,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:58,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 134 [2020-10-23 23:58:58,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:58,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-10-23 23:58:58,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:58,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-10-23 23:58:58,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:58,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-23 23:58:58,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:58,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 158 [2020-10-23 23:58:58,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:58,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 168 [2020-10-23 23:58:58,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:58,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 178 [2020-10-23 23:58:58,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-23 23:58:58,074 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-23 23:58:58,077 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [447966746] [2020-10-23 23:58:58,078 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-23 23:58:58,078 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-23 23:58:58,078 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566713158] [2020-10-23 23:58:58,079 INFO L461 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-23 23:58:58,079 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-23 23:58:58,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-23 23:58:58,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-10-23 23:58:58,082 INFO L87 Difference]: Start difference. First operand 346 states and 377 transitions. Second operand 7 states. [2020-10-23 23:58:58,737 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification that was a NOOP. DAG size: 204 [2020-10-23 23:58:59,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-23 23:58:59,794 INFO L93 Difference]: Finished difference Result 569 states and 657 transitions. [2020-10-23 23:58:59,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-23 23:58:59,796 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 191 [2020-10-23 23:58:59,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-23 23:58:59,799 INFO L225 Difference]: With dead ends: 569 [2020-10-23 23:58:59,799 INFO L226 Difference]: Without dead ends: 338 [2020-10-23 23:58:59,802 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=74, Invalid=136, Unknown=0, NotChecked=0, Total=210 [2020-10-23 23:58:59,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 338 states. [2020-10-23 23:58:59,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 338 to 272. [2020-10-23 23:58:59,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-10-23 23:58:59,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 287 transitions. [2020-10-23 23:58:59,908 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 287 transitions. Word has length 191 [2020-10-23 23:58:59,909 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-23 23:58:59,909 INFO L481 AbstractCegarLoop]: Abstraction has 272 states and 287 transitions. [2020-10-23 23:58:59,909 INFO L482 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-23 23:58:59,909 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 287 transitions. [2020-10-23 23:58:59,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-10-23 23:58:59,912 INFO L414 BasicCegarLoop]: Found error trace [2020-10-23 23:58:59,912 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-23 23:58:59,912 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-23 23:58:59,912 INFO L429 AbstractCegarLoop]: === Iteration 6 === [reach_errorErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr1ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr0ASSERT_VIOLATIONERROR_FUNCTION, __utac__get_this_argtypeErr1ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-23 23:58:59,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-23 23:58:59,913 INFO L82 PathProgramCache]: Analyzing trace with hash 616839429, now seen corresponding path program 1 times [2020-10-23 23:58:59,913 INFO L162 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-23 23:58:59,913 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [582152210] [2020-10-23 23:58:59,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-23 23:59:00,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 23:59:00,001 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 23:59:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-23 23:59:00,085 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-23 23:59:00,327 INFO L173 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-10-23 23:59:00,328 INFO L523 BasicCegarLoop]: Counterexample might be feasible [2020-10-23 23:59:00,328 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-23 23:59:00,603 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.10 11:59:00 BoogieIcfgContainer [2020-10-23 23:59:00,603 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-23 23:59:00,607 INFO L168 Benchmark]: Toolchain (without parser) took 22882.49 ms. Allocated memory was 151.0 MB in the beginning and 442.5 MB in the end (delta: 291.5 MB). Free memory was 126.1 MB in the beginning and 229.5 MB in the end (delta: -103.5 MB). Peak memory consumption was 188.8 MB. Max. memory is 8.0 GB. [2020-10-23 23:59:00,608 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 126.4 MB. There was no memory consumed. Max. memory is 8.0 GB. [2020-10-23 23:59:00,613 INFO L168 Benchmark]: CACSL2BoogieTranslator took 700.33 ms. Allocated memory is still 151.0 MB. Free memory was 125.5 MB in the beginning and 104.1 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. [2020-10-23 23:59:00,615 INFO L168 Benchmark]: Boogie Preprocessor took 106.92 ms. Allocated memory is still 151.0 MB. Free memory was 104.1 MB in the beginning and 100.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. [2020-10-23 23:59:00,615 INFO L168 Benchmark]: RCFGBuilder took 1228.71 ms. Allocated memory was 151.0 MB in the beginning and 185.6 MB in the end (delta: 34.6 MB). Free memory was 100.1 MB in the beginning and 119.7 MB in the end (delta: -19.5 MB). Peak memory consumption was 26.0 MB. Max. memory is 8.0 GB. [2020-10-23 23:59:00,616 INFO L168 Benchmark]: TraceAbstraction took 20834.53 ms. Allocated memory was 185.6 MB in the beginning and 442.5 MB in the end (delta: 256.9 MB). Free memory was 119.7 MB in the beginning and 229.5 MB in the end (delta: -109.9 MB). Peak memory consumption was 147.0 MB. Max. memory is 8.0 GB. [2020-10-23 23:59:00,627 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 151.0 MB. Free memory is still 126.4 MB. There was no memory consumed. Max. memory is 8.0 GB. * CACSL2BoogieTranslator took 700.33 ms. Allocated memory is still 151.0 MB. Free memory was 125.5 MB in the beginning and 104.1 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.0 MB. Max. memory is 8.0 GB. * Boogie Preprocessor took 106.92 ms. Allocated memory is still 151.0 MB. Free memory was 104.1 MB in the beginning and 100.1 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.2 MB. Max. memory is 8.0 GB. * RCFGBuilder took 1228.71 ms. Allocated memory was 151.0 MB in the beginning and 185.6 MB in the end (delta: 34.6 MB). Free memory was 100.1 MB in the beginning and 119.7 MB in the end (delta: -19.5 MB). Peak memory consumption was 26.0 MB. Max. memory is 8.0 GB. * TraceAbstraction took 20834.53 ms. Allocated memory was 185.6 MB in the beginning and 442.5 MB in the end (delta: 256.9 MB). Free memory was 119.7 MB in the beginning and 229.5 MB in the end (delta: -109.9 MB). Peak memory consumption was 147.0 MB. Max. memory is 8.0 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 3]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L42] int cleanupTimeShifts = 4; VAL [\old(cleanupTimeShifts)=180, \old(head)=182, \old(head)=170, \old(methaneLevelCritical)=147, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=144, cleanupTimeShifts=4, head={182:170}, methaneLevelCritical=147, pumpRunning=135, systemActive=134, waterLevel=144] [L186] int waterLevel = 1; VAL [\old(cleanupTimeShifts)=180, \old(head)=170, \old(head)=182, \old(methaneLevelCritical)=147, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=144, cleanupTimeShifts=4, head={182:170}, methaneLevelCritical=147, pumpRunning=135, systemActive=134, waterLevel=1] [L187] int methaneLevelCritical = 0; VAL [\old(cleanupTimeShifts)=180, \old(head)=182, \old(head)=170, \old(methaneLevelCritical)=147, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=144, cleanupTimeShifts=4, head={182:170}, methaneLevelCritical=0, pumpRunning=135, systemActive=134, waterLevel=1] [L444] static struct __ACC__ERR *head = (struct __ACC__ERR *)0; VAL [\old(cleanupTimeShifts)=180, \old(head)=170, \old(head)=182, \old(methaneLevelCritical)=147, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=144, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=135, systemActive=134, waterLevel=1] [L654] int pumpRunning = 0; VAL [\old(cleanupTimeShifts)=180, \old(head)=182, \old(head)=170, \old(methaneLevelCritical)=147, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=144, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=134, waterLevel=1] [L655] int systemActive = 1; VAL [\old(cleanupTimeShifts)=180, \old(head)=170, \old(head)=182, \old(methaneLevelCritical)=147, \old(pumpRunning)=135, \old(systemActive)=134, \old(waterLevel)=144, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L123] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L124] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L128] FCALL select_helpers() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L129] FCALL select_features() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L130] CALL, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L172] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L175] retValue_acc = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L176] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, \result=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=1, systemActive=1, waterLevel=1] [L130] RET, EXPR valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, valid_product()=1, waterLevel=1] [L130] tmp = valid_product() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, valid_product()=1, waterLevel=1] [L132] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L134] FCALL setup() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=1, waterLevel=1] [L135] CALL runTest() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L114] CALL test() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L834] int splverifierCounter ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L835] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L836] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L837] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L838] int tmp___2 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L841] splverifierCounter = 0 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L843] COND TRUE 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L845] COND TRUE splverifierCounter < 4 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, waterLevel=1] [L851] tmp = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L853] COND TRUE \read(tmp) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=1] [L855] CALL waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L204] COND TRUE waterLevel < 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=1] [L205] waterLevel = waterLevel + 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L855] RET waterRise() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, waterLevel=2] [L861] tmp___0 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L863] COND FALSE !(\read(tmp___0)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, waterLevel=2] [L871] tmp___2 = __VERIFIER_nondet_int() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, __VERIFIER_nondet_int()=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L873] COND TRUE \read(tmp___2) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L875] CALL startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L828] systemActive = 1 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L875] RET startSystem() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=1, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, splverifierCounter=0, systemActive=1, tmp=1, tmp___0=0, tmp___2=1, waterLevel=2] [L888] CALL timeShift() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L662] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L669] COND TRUE \read(systemActive) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L671] CALL processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L691] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L694] COND FALSE !(\read(pumpRunning)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L709] FCALL processEnvironment__wrappee__base() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L671] RET processEnvironment() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L677] CALL __utac_acc__Specification3_spec__1() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L901] int tmp ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L902] int tmp___0 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L903] int tmp___1 ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L907] CALL, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L225] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L228] retValue_acc = methaneLevelCritical VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L229] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L907] RET, EXPR isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L907] tmp = isMethaneLevelCritical() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isMethaneLevelCritical()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L909] COND FALSE !(\read(tmp)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L913] CALL, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L257] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L260] retValue_acc = waterLevel VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L261] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=2, systemActive=1, waterLevel=2] [L913] RET, EXPR getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, waterLevel=2] [L913] tmp___0 = getWaterLevel() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, getWaterLevel()=2, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L915] COND TRUE tmp___0 == 2 VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L917] CALL, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L761] int retValue_acc ; VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L764] retValue_acc = pumpRunning VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L765] return (retValue_acc); VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, \result=0, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, retValue_acc=0, systemActive=1, waterLevel=2] [L917] RET, EXPR isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, waterLevel=2] [L917] tmp___1 = isPumpRunning() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, isPumpRunning()=0, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L919] COND FALSE !(\read(tmp___1)) VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, tmp=0, tmp___0=2, tmp___1=0, waterLevel=2] [L923] CALL __automaton_fail() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L645] CALL reach_error() VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] [L3] __assert_fail("0", "minepump_spec3_product26.cil.c", 3, "reach_error") VAL [\old(methaneLevelCritical)=0, \old(pumpRunning)=0, \old(systemActive)=1, \old(waterLevel)=2, cleanupTimeShifts=4, head={0:0}, methaneLevelCritical=0, pumpRunning=0, systemActive=1, waterLevel=2] - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 635 locations, 5 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 20.5s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 15.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1090 SDtfs, 1952 SDslu, 1566 SDs, 0 SdLazy, 2714 SolverSat, 549 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 167 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 7.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=346occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 5 MinimizatonAttempts, 360 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.7s InterpolantComputationTime, 1050 NumberOfCodeBlocks, 1050 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 859 ConstructedInterpolants, 0 QuantifiedInterpolants, 368076 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...